Frequencies for pf_filing_req_cd variable in eobmfvt dataset :

      PF Filiing |
Requirement Code |
           (New) |      Freq.     Percent        Cum.
-----------------+-----------------------------------
No 990-PF return |      5,780       94.68       94.68
   990-PF return |        325        5.32      100.00
-----------------+-----------------------------------
           Total |      6,105      100.00

by Jean Roth , jroth@nber.org , 15 Apr 2019